Dorman 522-339 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Durable Suspension Control Arm and Ball Joint Assembly for Cadillac

The Dorman 522-339 suspension control arm and ball joint assembly is engineered to restore precise steering and suspension performance for Cadillac CTS, SRX, and STS models. Designed with quality materials and pre-greased components, this assembly offers reliable fitment and long-lasting durability.

• Pre-greased for immediate installation and reduced maintenance
• Includes rubber bushings and mounting hardware for a complete replacement
• Aluminum control arm with casting/forged construction for strength and weight savings
• Press-in ball joint with threaded stud for secure mounting
• Compatible with Cadillac CTS, SRX, and STS models

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 522-339) features a light suspension grade type suitable for regular driving conditions. The control arm is constructed from aluminum, providing a balance of strength and reduced weight. It comes pre-greased, eliminating the need for additional lubrication during installation. Rubber bushings are included to absorb vibrations and improve ride quality. The ball joint is press-in mounted with a threaded stud, ensuring a secure and precise fit. Mounting hardware is included, and the control arm measures up to 288.5 mm in width and 237 mm in length, with a single mounting hole of 12.3 mm diameter.

Compatible Cadillac Models and Applications

This assembly is specifically designed for use with Cadillac CTS, SRX, and STS vehicles. It is an ideal replacement part for restoring suspension geometry and handling characteristics in these models. Using the Dorman 522-339 ensures compatibility and proper fitment, maintaining the vehicle’s original suspension performance.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Excessive suspension noise or vibrations
• Misalignment affecting vehicle handling and safety
• Corroded or weakened control arm components

Installation Notes and Tips

Before installation, verify the part number 522-339 matches your vehicle’s requirements. The assembly comes pre-greased and includes all necessary mounting hardware, simplifying the replacement process. Use proper tools to press out the old ball joint if necessary, and torque all fasteners to manufacturer specifications. Since this control arm is non-adjustable, alignment should be checked and corrected after installation to ensure optimal handling.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 522-339 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship, providing confidence in the product’s reliability.